I think he meant it the other way around. It was meant for an E21 but he got it to work with an E30. Simple mistake...trust me AJ knows his stuff.
<img src='http://img127.imageshack.us/img127/4284/bmwlogo2new17jy.jpg' border='0' alt='user posted image' />
Black 4 door 1990 325i
15"x7.5 Ronal LS-wrapped in 205/50-15 Bridgestone Potenza G009